//** jQuery Scroll to Top Control script- (c) Dynamic Drive DHTML code library: http://www.dynamicdrive.com.
//** Available/ usage terms at http://www.dynamicdrive.com (March 30th, 09')
//** v1.1 (April 7th, 09'):
//** 1) Adds ability to scroll to an absolute position (from top of page) or specific element on the page instead.
//** 2) Fixes scroll animation not working in Opera. 


var scrolltotop={
	//startline: Integer. Number of pixels from top of doc scrollbar is scrolled before showing control
	//scrollto: Keyword (Integer, or "Scroll_to_Element_ID"). How far to scroll document up when control is clicked on (0=top).
	setting: {startline:100, scrollto: 0, scrollduration:0, fadeduration:[500, 100]},
	//controlHTML: '<div class="nreturn"><a class="ntel" href="http://chat32.live800.com/live800/chatClient/chatbox.jsp?companyID=128742&configID=34167&jid=6712194369" id="sider_talkonline" target="_blank"></a><a class="ntel nbook" href="javascript:void(0);" id="sider_addmark"></a><div class="nreturn_all"><dl><dt><a class="down up" href="javascript:void(0);" id="sider_more"></a></dt><div  id="sider_more_data"><dd><a class="nreturn_1" href="http://www.miqi.cn/hufu-tuan/">护肤</a></dd><dd><a class="nreturn_2" href="http://www.miqi.cn/caizhuang-tuan/">彩妆</a></dd><dd><a class="nreturn_3" href="http://www.miqi.cn/xianshui-tuan/">香水</a></dd><dd><a class="nreturn_4" href="http://www.miqi.cn/mianmo-tuan/">面膜</a></dd><dd><a class="nreturn_5" href="http://www.miqi.cn/nanshi-tuan/">男士</a></dd><dd><a class="nreturn_6" href="http://www.miqi.cn/taozhuang-tuan/">套装</a></dd></div></dl></div><a class="nrebtn" href="javascript:void(0);" id="sider_returntop"></a></div>', 
	controlHTML:jQuery('#scrolltopcontrol').html(),
	controlattrs: {offsetx:10, offsety:5}, //offset of control relative to right/ bottom of window corner
	anchorkeyword: '#top', //Enter href value of HTML anchors on the page that should also act as "Scroll Up" links

	state: {isvisible:false, shouldvisible:false},

	scrollup:function(){
		if (!this.cssfixedsupport) //if control is positioned using JavaScript
			this.$control.css({opacity:0}) //hide control immediately after clicking it
		var dest=isNaN(this.setting.scrollto)? this.setting.scrollto : parseInt(this.setting.scrollto)
		if (typeof dest=="string" && jQuery('#'+dest).length==1) //check element set by string exists
			dest=jQuery('#'+dest).offset().top
		else
			dest=0
		this.$body.animate({scrollTop: dest}, this.setting.scrollduration);
	},

	keepfixed:function(){
		var $window=jQuery(window)
		var controlx=$window.scrollLeft() + $window.width() - this.$control.width() - this.controlattrs.offsetx
		var controly=$window.scrollTop() + $window.height() - this.$control.height() - this.controlattrs.offsety
		this.$control.css({left:controlx+'px', top:controly+'px'})
	},

	togglecontrol:function(){
		var scrolltop=jQuery(window).scrollTop()
		if (!this.cssfixedsupport)
			this.keepfixed()
		this.state.shouldvisible=(scrolltop>=this.setting.startline)? true : false
		if (this.state.shouldvisible && !this.state.isvisible){
			this.$control.stop().animate({opacity:1}, this.setting.fadeduration[0])
			this.state.isvisible=true
		}
		else if (this.state.shouldvisible==false && this.state.isvisible){
			this.$control.stop().animate({opacity:0}, this.setting.fadeduration[1])
			this.state.isvisible=false
		}
	},
	addBookmark:function(sURL, sTitle)
	{
		
		try
		{
			window.external.addFavorite(sURL, sTitle);
		}
		catch (e)
		{
			try
			{
				window.sidebar.addPanel(sTitle, sURL, "");
			}
			catch (e)
			{
				alert("您的浏览器暂不支持此功能,加入收藏失败，请使用Ctrl+D进行添加");
			}
		}
	},
	init:function(){
		jQuery(document).ready(function($){
			var mainobj=scrolltotop
			var iebrws=document.all
			mainobj.cssfixedsupport=!iebrws || iebrws && document.compatMode=="CSS1Compat" && window.XMLHttpRequest //not IE or IE7+ browsers in standards mode
			mainobj.$body=(window.opera)? (document.compatMode=="CSS1Compat"? $('html') : $('body')) : $('html,body')
			mainobj.$control=$('<div id="topcontrol">'+mainobj.controlHTML+'</div>')
				.css({position:mainobj.cssfixedsupport? 'fixed' : 'absolute', bottom:mainobj.controlattrs.offsety+80, right:mainobj.controlattrs.offsetx, opacity:0, cursor:'pointer'})
				.attr({title:''})
				/*.click(function(){mainobj.scrollup(); return false})*/
				.appendTo('body')
			if (document.all && !window.XMLHttpRequest && mainobj.$control.text()!='') //loose check for IE6 and below, plus whether control contains any text
				mainobj.$control.css({width:mainobj.$control.width()}) //IE6- seems to require an explicit width on a DIV containing text
			mainobj.togglecontrol()
			$('a[href="' + mainobj.anchorkeyword +'"]').click(function(){
				mainobj.scrollup()
				return false
			})
			var isexist_live800 = jQuery('#live12223').attr('id');
			//if(String(isexist_live800) == 'undefined'){
				$('.ntel').css('display','block');
			//}
			$('.sider_returntop').click(function(){
				 mainobj.scrollup(); return false
			 });
			$('.sider_addmark').click(function(){
						mainobj.addBookmark('http://www.miqi.cn',	'米奇网-miqi.cn-为美而生');			   
											   });
			$('.sider_more').click(function(){
				var className = $('.sider_more').attr("class");
				 if(className=='down up sider_more'){
					 $('.sider_more').attr("class",'down sider_more');$('.sider_more_data').hide();}
				 else{
					 $('.sider_more').attr("class",'down up sider_more');
					 $('.sider_more_data').show();
					 
				 }
			 });
			
			$(window).bind('scroll resize', function(e){
				mainobj.togglecontrol()
			})
		})
	}
}

scrolltotop.init()